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Posted to commits@tajo.apache.org by hy...@apache.org on 2015/12/17 09:28:21 UTC

[06/17] tajo git commit: TAJO-2007: By default, Optimizer should use the table volume in TableStat.

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen.Sort.plan b/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen.Sort.plan
index 63ac101..c0c3fc1 100644
--- a/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen.Sort.plan
@@ -32,24 +32,64 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000007)
 |-eb_0000000000000_0000_000007
    |-eb_0000000000000_0000_000006
       |-eb_0000000000000_0000_000005
+         |-eb_0000000000000_0000_000004
+         |-eb_0000000000000_0000_000003
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000005
-2: eb_0000000000000_0000_000006
-3: eb_0000000000000_0000_000007
+1: eb_0000000000000_0000_000003
+2: eb_0000000000000_0000_000004
+3: eb_0000000000000_0000_000005
+4: eb_0000000000000_0000_000006
+5: eb_0000000000000_0000_000007
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000005 [LEAF]
+Block Id: eb_0000000000000_0000_000003 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.region.r_name (TEXT), s1 (TEXT), num=32)
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.nation.n_nationkey (INT4), num=32)
 
 [Enforcers]
  0: type=Broadcast, tables=default.region
- 1: type=Broadcast, tables=default.supplier
+
+JOIN(8)(INNER)
+  => Join Cond: default.nation.n_regionkey (INT4) = default.region.r_regionkey (INT4)
+  => target list: default.nation.n_nationkey (INT4), default.region.r_name (TEXT)
+  => out schema: {(2) default.nation.n_nationkey (INT4), default.region.r_name (TEXT)}
+  => in schema: {(4) default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+   SCAN(0) on default.region
+     => target list: default.region.r_name (TEXT), default.region.r_regionkey (INT4)
+     => out schema: {(2) default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+     => in schema: {(3) default.region.r_comment (TEXT), default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+   SCAN(1) on default.nation
+     => target list: default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)
+     => out schema: {(2) default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
+     => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000004 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.supplier.s_nationkey (INT4), num=32)
+
+SCAN(3) on default.supplier
+  => target list: default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4)
+  => out schema: {(2) default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4)}
+  => in schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000005 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.nation.n_nationkey (INT4), num=32)
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.supplier.s_nationkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.region.r_name (TEXT), s1 (TEXT), num=32)
 
 SORT(15)
   => Sort Keys: default.region.r_name (TEXT) (asc, nulls last),s1 (TEXT) (asc, nulls last)
@@ -58,23 +98,12 @@ SORT(15)
      => target list: CASE WHEN default.supplier.s_name (TEXT) IS NULL THEN N/O ELSE default.supplier.s_name (TEXT) END as s1, default.region.r_name (TEXT)
      => out schema: {(2) default.region.r_name (TEXT), s1 (TEXT)}
      => in schema: {(4) default.nation.n_nationkey (INT4), default.region.r_name (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4)}
-      SCAN(3) on default.supplier
-        => target list: default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4)
+      SCAN(14) on eb_0000000000000_0000_000004
         => out schema: {(2) default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4)}
-        => in schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-      JOIN(8)(INNER)
-        => Join Cond: default.nation.n_regionkey (INT4) = default.region.r_regionkey (INT4)
-        => target list: default.nation.n_nationkey (INT4), default.region.r_name (TEXT)
+        => in schema: {(2) default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4)}
+      SCAN(13) on eb_0000000000000_0000_000003
         => out schema: {(2) default.nation.n_nationkey (INT4), default.region.r_name (TEXT)}
-        => in schema: {(4) default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
-         SCAN(0) on default.region
-           => target list: default.region.r_name (TEXT), default.region.r_regionkey (INT4)
-           => out schema: {(2) default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
-           => in schema: {(3) default.region.r_comment (TEXT), default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
-         SCAN(1) on default.nation
-           => target list: default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)
-           => out schema: {(2) default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
-           => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
+        => in schema: {(2) default.nation.n_nationkey (INT4), default.region.r_name (TEXT)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Hash.plan b/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Hash.plan
index 894197b..48b756d 100644
--- a/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Hash.plan
@@ -36,24 +36,55 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000007)
 |-eb_0000000000000_0000_000007
    |-eb_0000000000000_0000_000006
       |-eb_0000000000000_0000_000005
+         |-eb_0000000000000_0000_000002
+         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000005
-2: eb_0000000000000_0000_000006
-3: eb_0000000000000_0000_000007
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000005
+4: eb_0000000000000_0000_000006
+5: eb_0000000000000_0000_000007
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000005 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.nation.n_nationkey (INT4), num=32)
+
+SCAN(1) on default.nation
+  => target list: default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)
+  => out schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
+  => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.supplier.s_nationkey (INT4), num=32)
+
+SCAN(2) on default.supplier
+  => target list: default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)
+  => out schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+  => in schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000005 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.nation.n_nationkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.supplier.s_nationkey (INT4), num=32)
+
+[Outgoing]
 [q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.region.r_name (TEXT), s1 (TEXT), num=32)
 
 [Enforcers]
  0: type=Broadcast, tables=default.region
- 1: type=Broadcast, tables=default.supplier
 
 SORT(17)
   => Sort Keys: default.region.r_name (TEXT) (asc, nulls last),s1 (TEXT) (asc, nulls last)
@@ -79,12 +110,10 @@ SORT(17)
               => target list: default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)
               => out schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
               => in schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-               SCAN(2) on default.supplier
-                 => target list: default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)
+               SCAN(14) on eb_0000000000000_0000_000002
                  => out schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
                  => in schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-               SCAN(1) on default.nation
-                 => target list: default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)
+               SCAN(13) on eb_0000000000000_0000_000001
                  => out schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
                  => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Sort.plan b/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Sort.plan
index 894197b..48b756d 100644
--- a/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Sort.plan
@@ -36,24 +36,55 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000007)
 |-eb_0000000000000_0000_000007
    |-eb_0000000000000_0000_000006
       |-eb_0000000000000_0000_000005
+         |-eb_0000000000000_0000_000002
+         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000005
-2: eb_0000000000000_0000_000006
-3: eb_0000000000000_0000_000007
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000005
+4: eb_0000000000000_0000_000006
+5: eb_0000000000000_0000_000007
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000005 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.nation.n_nationkey (INT4), num=32)
+
+SCAN(1) on default.nation
+  => target list: default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)
+  => out schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
+  => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.supplier.s_nationkey (INT4), num=32)
+
+SCAN(2) on default.supplier
+  => target list: default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)
+  => out schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+  => in schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000005 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.nation.n_nationkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.supplier.s_nationkey (INT4), num=32)
+
+[Outgoing]
 [q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.region.r_name (TEXT), s1 (TEXT), num=32)
 
 [Enforcers]
  0: type=Broadcast, tables=default.region
- 1: type=Broadcast, tables=default.supplier
 
 SORT(17)
   => Sort Keys: default.region.r_name (TEXT) (asc, nulls last),s1 (TEXT) (asc, nulls last)
@@ -79,12 +110,10 @@ SORT(17)
               => target list: default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)
               => out schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
               => in schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-               SCAN(2) on default.supplier
-                 => target list: default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)
+               SCAN(14) on eb_0000000000000_0000_000002
                  => out schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
                  => in schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-               SCAN(1) on default.nation
-                 => target list: default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)
+               SCAN(13) on eb_0000000000000_0000_000001
                  => out schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
                  => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Hash.plan b/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Hash.plan
index ceb96f9..2f2ca89 100644
--- a/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Hash.plan
@@ -30,20 +30,51 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000006)
 -------------------------------------------------------------------------------
 |-eb_0000000000000_0000_000006
    |-eb_0000000000000_0000_000005
+      |-eb_0000000000000_0000_000002
+      |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000005
-2: eb_0000000000000_0000_000006
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000005
+4: eb_0000000000000_0000_000006
 -------------------------------------------------------------------------------
 
 =======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.l_orderkey (INT4), num=32)
+
+SCAN(0) on default.lineitem as a
+  => target list: default.a.l_orderkey (INT4)
+  => out schema: {(1) default.a.l_orderkey (INT4)}
+  => in schema: {(16) default.a.l_comment (TEXT), default.a.l_commitdate (TEXT), default.a.l_discount (FLOAT8), default.a.l_extendedprice (FLOAT8), default.a.l_linenumber (INT4), default.a.l_linestatus (TEXT), default.a.l_orderkey (INT4), default.a.l_partkey (INT4), default.a.l_quantity (FLOAT8), default.a.l_receiptdate (TEXT), default.a.l_returnflag (TEXT), default.a.l_shipdate (TEXT), default.a.l_shipinstruct (TEXT), default.a.l_shipmode (TEXT), default.a.l_suppkey (INT4), default.a.l_tax (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.b.o_orderkey (INT4), num=32)
+
+SCAN(1) on default.orders as b
+  => target list: default.b.o_orderkey (INT4)
+  => out schema: {(1) default.b.o_orderkey (INT4)}
+  => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.b.o_orderpriority (TEXT), default.b.o_orderstatus (TEXT), default.b.o_shippriority (INT4), default.b.o_totalprice (FLOAT8)}
+
+=======================================================
 Block Id: eb_0000000000000_0000_000005 [ROOT]
 =======================================================
 
+[Incoming]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.l_orderkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.b.o_orderkey (INT4), num=32)
+
 [Enforcers]
- 0: type=Broadcast, tables=default.b
- 1: type=Broadcast, tables=default.c
+ 0: type=Broadcast, tables=default.c
 
 JOIN(8)(LEFT_OUTER)
   => Join Cond: default.a.l_orderkey (INT4) = default.c.c_custkey (INT4)
@@ -60,14 +91,12 @@ JOIN(8)(LEFT_OUTER)
      => target list: default.a.l_orderkey (INT4), default.b.o_orderkey (INT4)
      => out schema: {(2) default.a.l_orderkey (INT4), default.b.o_orderkey (INT4)}
      => in schema: {(2) default.a.l_orderkey (INT4), default.b.o_orderkey (INT4)}
-      SCAN(1) on default.orders as b
-        => target list: default.b.o_orderkey (INT4)
+      SCAN(12) on eb_0000000000000_0000_000002
         => out schema: {(1) default.b.o_orderkey (INT4)}
-        => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.b.o_orderpriority (TEXT), default.b.o_orderstatus (TEXT), default.b.o_shippriority (INT4), default.b.o_totalprice (FLOAT8)}
-      SCAN(0) on default.lineitem as a
-        => target list: default.a.l_orderkey (INT4)
+        => in schema: {(1) default.b.o_orderkey (INT4)}
+      SCAN(11) on eb_0000000000000_0000_000001
         => out schema: {(1) default.a.l_orderkey (INT4)}
-        => in schema: {(16) default.a.l_comment (TEXT), default.a.l_commitdate (TEXT), default.a.l_discount (FLOAT8), default.a.l_extendedprice (FLOAT8), default.a.l_linenumber (INT4), default.a.l_linestatus (TEXT), default.a.l_orderkey (INT4), default.a.l_partkey (INT4), default.a.l_quantity (FLOAT8), default.a.l_receiptdate (TEXT), default.a.l_returnflag (TEXT), default.a.l_shipdate (TEXT), default.a.l_shipinstruct (TEXT), default.a.l_shipmode (TEXT), default.a.l_suppkey (INT4), default.a.l_tax (FLOAT8)}
+        => in schema: {(1) default.a.l_orderkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [TERMINAL]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Sort.plan b/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Sort.plan
index ceb96f9..2f2ca89 100644
--- a/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Sort.plan
@@ -30,20 +30,51 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000006)
 -------------------------------------------------------------------------------
 |-eb_0000000000000_0000_000006
    |-eb_0000000000000_0000_000005
+      |-eb_0000000000000_0000_000002
+      |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000005
-2: eb_0000000000000_0000_000006
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000005
+4: eb_0000000000000_0000_000006
 -------------------------------------------------------------------------------
 
 =======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.l_orderkey (INT4), num=32)
+
+SCAN(0) on default.lineitem as a
+  => target list: default.a.l_orderkey (INT4)
+  => out schema: {(1) default.a.l_orderkey (INT4)}
+  => in schema: {(16) default.a.l_comment (TEXT), default.a.l_commitdate (TEXT), default.a.l_discount (FLOAT8), default.a.l_extendedprice (FLOAT8), default.a.l_linenumber (INT4), default.a.l_linestatus (TEXT), default.a.l_orderkey (INT4), default.a.l_partkey (INT4), default.a.l_quantity (FLOAT8), default.a.l_receiptdate (TEXT), default.a.l_returnflag (TEXT), default.a.l_shipdate (TEXT), default.a.l_shipinstruct (TEXT), default.a.l_shipmode (TEXT), default.a.l_suppkey (INT4), default.a.l_tax (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.b.o_orderkey (INT4), num=32)
+
+SCAN(1) on default.orders as b
+  => target list: default.b.o_orderkey (INT4)
+  => out schema: {(1) default.b.o_orderkey (INT4)}
+  => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.b.o_orderpriority (TEXT), default.b.o_orderstatus (TEXT), default.b.o_shippriority (INT4), default.b.o_totalprice (FLOAT8)}
+
+=======================================================
 Block Id: eb_0000000000000_0000_000005 [ROOT]
 =======================================================
 
+[Incoming]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.l_orderkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.b.o_orderkey (INT4), num=32)
+
 [Enforcers]
- 0: type=Broadcast, tables=default.b
- 1: type=Broadcast, tables=default.c
+ 0: type=Broadcast, tables=default.c
 
 JOIN(8)(LEFT_OUTER)
   => Join Cond: default.a.l_orderkey (INT4) = default.c.c_custkey (INT4)
@@ -60,14 +91,12 @@ JOIN(8)(LEFT_OUTER)
      => target list: default.a.l_orderkey (INT4), default.b.o_orderkey (INT4)
      => out schema: {(2) default.a.l_orderkey (INT4), default.b.o_orderkey (INT4)}
      => in schema: {(2) default.a.l_orderkey (INT4), default.b.o_orderkey (INT4)}
-      SCAN(1) on default.orders as b
-        => target list: default.b.o_orderkey (INT4)
+      SCAN(12) on eb_0000000000000_0000_000002
         => out schema: {(1) default.b.o_orderkey (INT4)}
-        => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.b.o_orderpriority (TEXT), default.b.o_orderstatus (TEXT), default.b.o_shippriority (INT4), default.b.o_totalprice (FLOAT8)}
-      SCAN(0) on default.lineitem as a
-        => target list: default.a.l_orderkey (INT4)
+        => in schema: {(1) default.b.o_orderkey (INT4)}
+      SCAN(11) on eb_0000000000000_0000_000001
         => out schema: {(1) default.a.l_orderkey (INT4)}
-        => in schema: {(16) default.a.l_comment (TEXT), default.a.l_commitdate (TEXT), default.a.l_discount (FLOAT8), default.a.l_extendedprice (FLOAT8), default.a.l_linenumber (INT4), default.a.l_linestatus (TEXT), default.a.l_orderkey (INT4), default.a.l_partkey (INT4), default.a.l_quantity (FLOAT8), default.a.l_receiptdate (TEXT), default.a.l_returnflag (TEXT), default.a.l_shipdate (TEXT), default.a.l_shipinstruct (TEXT), default.a.l_shipmode (TEXT), default.a.l_suppkey (INT4), default.a.l_tax (FLOAT8)}
+        => in schema: {(1) default.a.l_orderkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [TERMINAL]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Hash.plan b/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Hash.plan
index 2c990f8..0e93c56 100644
--- a/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Hash.plan
@@ -33,20 +33,59 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000006)
 -------------------------------------------------------------------------------
 |-eb_0000000000000_0000_000006
    |-eb_0000000000000_0000_000005
+      |-eb_0000000000000_0000_000002
+      |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000005
-2: eb_0000000000000_0000_000006
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000005
+4: eb_0000000000000_0000_000006
 -------------------------------------------------------------------------------
 
 =======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.c.c_custkey (INT4), num=32)
+
+SCAN(0) on default.customer as c
+  => target list: default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)
+  => out schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
+  => in schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.n.n_nationkey (INT4), num=32)
+
+TABLE_SUBQUERY(3) as default.n
+  => Targets: default.n.n_nationkey (INT4)
+  => out schema: {(1) default.n.n_nationkey (INT4)}
+  => in  schema: {(1) default.n.n_nationkey (INT4)}
+   PROJECTION(2)
+     => Targets: default.nation.n_nationkey (INT4)
+     => out schema: {(1) default.nation.n_nationkey (INT4)}
+     => in  schema: {(1) default.nation.n_nationkey (INT4)}
+      SCAN(1) on default.nation
+        => target list: default.nation.n_nationkey (INT4)
+        => out schema: {(1) default.nation.n_nationkey (INT4)}
+        => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
+
+=======================================================
 Block Id: eb_0000000000000_0000_000005 [ROOT]
 =======================================================
 
+[Incoming]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.c.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.n.n_nationkey (INT4), num=32)
+
 [Enforcers]
- 0: type=Broadcast, tables=default.c
- 1: type=Broadcast, tables=default.r
+ 0: type=Broadcast, tables=default.r
 
 JOIN(10)(INNER)
   => Join Cond: default.r.r_regionkey (INT4) = default.c.c_custkey (INT4)
@@ -62,20 +101,10 @@ JOIN(10)(INNER)
      => target list: default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)
      => out schema: {(9) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)}
      => in schema: {(9) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)}
-      TABLE_SUBQUERY(3) as default.n
-        => Targets: default.n.n_nationkey (INT4)
+      SCAN(13) on eb_0000000000000_0000_000002
         => out schema: {(1) default.n.n_nationkey (INT4)}
-        => in  schema: {(1) default.n.n_nationkey (INT4)}
-         PROJECTION(2)
-           => Targets: default.nation.n_nationkey (INT4)
-           => out schema: {(1) default.nation.n_nationkey (INT4)}
-           => in  schema: {(1) default.nation.n_nationkey (INT4)}
-            SCAN(1) on default.nation
-              => target list: default.nation.n_nationkey (INT4)
-              => out schema: {(1) default.nation.n_nationkey (INT4)}
-              => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
-      SCAN(0) on default.customer as c
-        => target list: default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)
+        => in schema: {(1) default.n.n_nationkey (INT4)}
+      SCAN(12) on eb_0000000000000_0000_000001
         => out schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
         => in schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Sort.plan b/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Sort.plan
index 2c990f8..0e93c56 100644
--- a/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Sort.plan
@@ -33,20 +33,59 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000006)
 -------------------------------------------------------------------------------
 |-eb_0000000000000_0000_000006
    |-eb_0000000000000_0000_000005
+      |-eb_0000000000000_0000_000002
+      |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000005
-2: eb_0000000000000_0000_000006
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000005
+4: eb_0000000000000_0000_000006
 -------------------------------------------------------------------------------
 
 =======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.c.c_custkey (INT4), num=32)
+
+SCAN(0) on default.customer as c
+  => target list: default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)
+  => out schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
+  => in schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.n.n_nationkey (INT4), num=32)
+
+TABLE_SUBQUERY(3) as default.n
+  => Targets: default.n.n_nationkey (INT4)
+  => out schema: {(1) default.n.n_nationkey (INT4)}
+  => in  schema: {(1) default.n.n_nationkey (INT4)}
+   PROJECTION(2)
+     => Targets: default.nation.n_nationkey (INT4)
+     => out schema: {(1) default.nation.n_nationkey (INT4)}
+     => in  schema: {(1) default.nation.n_nationkey (INT4)}
+      SCAN(1) on default.nation
+        => target list: default.nation.n_nationkey (INT4)
+        => out schema: {(1) default.nation.n_nationkey (INT4)}
+        => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
+
+=======================================================
 Block Id: eb_0000000000000_0000_000005 [ROOT]
 =======================================================
 
+[Incoming]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.c.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.n.n_nationkey (INT4), num=32)
+
 [Enforcers]
- 0: type=Broadcast, tables=default.c
- 1: type=Broadcast, tables=default.r
+ 0: type=Broadcast, tables=default.r
 
 JOIN(10)(INNER)
   => Join Cond: default.r.r_regionkey (INT4) = default.c.c_custkey (INT4)
@@ -62,20 +101,10 @@ JOIN(10)(INNER)
      => target list: default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)
      => out schema: {(9) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)}
      => in schema: {(9) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)}
-      TABLE_SUBQUERY(3) as default.n
-        => Targets: default.n.n_nationkey (INT4)
+      SCAN(13) on eb_0000000000000_0000_000002
         => out schema: {(1) default.n.n_nationkey (INT4)}
-        => in  schema: {(1) default.n.n_nationkey (INT4)}
-         PROJECTION(2)
-           => Targets: default.nation.n_nationkey (INT4)
-           => out schema: {(1) default.nation.n_nationkey (INT4)}
-           => in  schema: {(1) default.nation.n_nationkey (INT4)}
-            SCAN(1) on default.nation
-              => target list: default.nation.n_nationkey (INT4)
-              => out schema: {(1) default.nation.n_nationkey (INT4)}
-              => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
-      SCAN(0) on default.customer as c
-        => target list: default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)
+        => in schema: {(1) default.n.n_nationkey (INT4)}
+      SCAN(12) on eb_0000000000000_0000_000001
         => out schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
         => in schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Hash.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Hash.plan
index 8c98e69..62c8cbb 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Hash.plan
@@ -7,14 +7,14 @@ SORT(3)
      => target list: default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)
      => out schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
-      SCAN(0) on default.orders
-        => target list: default.orders.o_orderkey (INT4)
-        => out schema: {(1) default.orders.o_orderkey (INT4)}
-        => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
       SCAN(1) on default.customer
         => target list: default.customer.c_custkey (INT4)
         => out schema: {(1) default.customer.c_custkey (INT4)}
         => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
+      SCAN(0) on default.orders
+        => target list: default.orders.o_orderkey (INT4)
+        => out schema: {(1) default.orders.o_orderkey (INT4)}
+        => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
 explain
 -------------------------------
 -------------------------------------------------------------------------------
@@ -40,32 +40,32 @@ Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
 
-SCAN(1) on default.customer
-  => target list: default.customer.c_custkey (INT4)
-  => out schema: {(1) default.customer.c_custkey (INT4)}
-  => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
+SCAN(0) on default.orders
+  => target list: default.orders.o_orderkey (INT4)
+  => out schema: {(1) default.orders.o_orderkey (INT4)}
+  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000002 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
 
-SCAN(0) on default.orders
-  => target list: default.orders.o_orderkey (INT4)
-  => out schema: {(1) default.orders.o_orderkey (INT4)}
-  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+SCAN(1) on default.customer
+  => target list: default.customer.c_custkey (INT4)
+  => out schema: {(1) default.customer.c_custkey (INT4)}
+  => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
 =======================================================
 
 [Incoming]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
 
 [Outgoing]
 [q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
@@ -78,11 +78,11 @@ SORT(10)
      => out schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
       SCAN(9) on eb_0000000000000_0000_000002
-        => out schema: {(1) default.orders.o_orderkey (INT4)}
-        => in schema: {(1) default.orders.o_orderkey (INT4)}
-      SCAN(8) on eb_0000000000000_0000_000001
         => out schema: {(1) default.customer.c_custkey (INT4)}
         => in schema: {(1) default.customer.c_custkey (INT4)}
+      SCAN(8) on eb_0000000000000_0000_000001
+        => out schema: {(1) default.orders.o_orderkey (INT4)}
+        => in schema: {(1) default.orders.o_orderkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Hash_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Hash_NoBroadcast.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Hash_NoBroadcast.plan
index 8c98e69..62c8cbb 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Hash_NoBroadcast.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Hash_NoBroadcast.plan
@@ -7,14 +7,14 @@ SORT(3)
      => target list: default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)
      => out schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
-      SCAN(0) on default.orders
-        => target list: default.orders.o_orderkey (INT4)
-        => out schema: {(1) default.orders.o_orderkey (INT4)}
-        => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
       SCAN(1) on default.customer
         => target list: default.customer.c_custkey (INT4)
         => out schema: {(1) default.customer.c_custkey (INT4)}
         => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
+      SCAN(0) on default.orders
+        => target list: default.orders.o_orderkey (INT4)
+        => out schema: {(1) default.orders.o_orderkey (INT4)}
+        => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
 explain
 -------------------------------
 -------------------------------------------------------------------------------
@@ -40,32 +40,32 @@ Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
 
-SCAN(1) on default.customer
-  => target list: default.customer.c_custkey (INT4)
-  => out schema: {(1) default.customer.c_custkey (INT4)}
-  => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
+SCAN(0) on default.orders
+  => target list: default.orders.o_orderkey (INT4)
+  => out schema: {(1) default.orders.o_orderkey (INT4)}
+  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000002 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
 
-SCAN(0) on default.orders
-  => target list: default.orders.o_orderkey (INT4)
-  => out schema: {(1) default.orders.o_orderkey (INT4)}
-  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+SCAN(1) on default.customer
+  => target list: default.customer.c_custkey (INT4)
+  => out schema: {(1) default.customer.c_custkey (INT4)}
+  => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
 =======================================================
 
 [Incoming]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
 
 [Outgoing]
 [q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
@@ -78,11 +78,11 @@ SORT(10)
      => out schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
       SCAN(9) on eb_0000000000000_0000_000002
-        => out schema: {(1) default.orders.o_orderkey (INT4)}
-        => in schema: {(1) default.orders.o_orderkey (INT4)}
-      SCAN(8) on eb_0000000000000_0000_000001
         => out schema: {(1) default.customer.c_custkey (INT4)}
         => in schema: {(1) default.customer.c_custkey (INT4)}
+      SCAN(8) on eb_0000000000000_0000_000001
+        => out schema: {(1) default.orders.o_orderkey (INT4)}
+        => in schema: {(1) default.orders.o_orderkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Sort.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Sort.plan
index 8c98e69..62c8cbb 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Sort.plan
@@ -7,14 +7,14 @@ SORT(3)
      => target list: default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)
      => out schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
-      SCAN(0) on default.orders
-        => target list: default.orders.o_orderkey (INT4)
-        => out schema: {(1) default.orders.o_orderkey (INT4)}
-        => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
       SCAN(1) on default.customer
         => target list: default.customer.c_custkey (INT4)
         => out schema: {(1) default.customer.c_custkey (INT4)}
         => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
+      SCAN(0) on default.orders
+        => target list: default.orders.o_orderkey (INT4)
+        => out schema: {(1) default.orders.o_orderkey (INT4)}
+        => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
 explain
 -------------------------------
 -------------------------------------------------------------------------------
@@ -40,32 +40,32 @@ Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
 
-SCAN(1) on default.customer
-  => target list: default.customer.c_custkey (INT4)
-  => out schema: {(1) default.customer.c_custkey (INT4)}
-  => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
+SCAN(0) on default.orders
+  => target list: default.orders.o_orderkey (INT4)
+  => out schema: {(1) default.orders.o_orderkey (INT4)}
+  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000002 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
 
-SCAN(0) on default.orders
-  => target list: default.orders.o_orderkey (INT4)
-  => out schema: {(1) default.orders.o_orderkey (INT4)}
-  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+SCAN(1) on default.customer
+  => target list: default.customer.c_custkey (INT4)
+  => out schema: {(1) default.customer.c_custkey (INT4)}
+  => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
 =======================================================
 
 [Incoming]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
 
 [Outgoing]
 [q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
@@ -78,11 +78,11 @@ SORT(10)
      => out schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
       SCAN(9) on eb_0000000000000_0000_000002
-        => out schema: {(1) default.orders.o_orderkey (INT4)}
-        => in schema: {(1) default.orders.o_orderkey (INT4)}
-      SCAN(8) on eb_0000000000000_0000_000001
         => out schema: {(1) default.customer.c_custkey (INT4)}
         => in schema: {(1) default.customer.c_custkey (INT4)}
+      SCAN(8) on eb_0000000000000_0000_000001
+        => out schema: {(1) default.orders.o_orderkey (INT4)}
+        => in schema: {(1) default.orders.o_orderkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Sort_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Sort_NoBroadcast.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Sort_NoBroadcast.plan
index 8c98e69..62c8cbb 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Sort_NoBroadcast.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Sort_NoBroadcast.plan
@@ -7,14 +7,14 @@ SORT(3)
      => target list: default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)
      => out schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
-      SCAN(0) on default.orders
-        => target list: default.orders.o_orderkey (INT4)
-        => out schema: {(1) default.orders.o_orderkey (INT4)}
-        => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
       SCAN(1) on default.customer
         => target list: default.customer.c_custkey (INT4)
         => out schema: {(1) default.customer.c_custkey (INT4)}
         => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
+      SCAN(0) on default.orders
+        => target list: default.orders.o_orderkey (INT4)
+        => out schema: {(1) default.orders.o_orderkey (INT4)}
+        => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
 explain
 -------------------------------
 -------------------------------------------------------------------------------
@@ -40,32 +40,32 @@ Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
 
-SCAN(1) on default.customer
-  => target list: default.customer.c_custkey (INT4)
-  => out schema: {(1) default.customer.c_custkey (INT4)}
-  => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
+SCAN(0) on default.orders
+  => target list: default.orders.o_orderkey (INT4)
+  => out schema: {(1) default.orders.o_orderkey (INT4)}
+  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000002 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
 
-SCAN(0) on default.orders
-  => target list: default.orders.o_orderkey (INT4)
-  => out schema: {(1) default.orders.o_orderkey (INT4)}
-  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+SCAN(1) on default.customer
+  => target list: default.customer.c_custkey (INT4)
+  => out schema: {(1) default.customer.c_custkey (INT4)}
+  => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
 =======================================================
 
 [Incoming]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
 
 [Outgoing]
 [q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
@@ -78,11 +78,11 @@ SORT(10)
      => out schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
       SCAN(9) on eb_0000000000000_0000_000002
-        => out schema: {(1) default.orders.o_orderkey (INT4)}
-        => in schema: {(1) default.orders.o_orderkey (INT4)}
-      SCAN(8) on eb_0000000000000_0000_000001
         => out schema: {(1) default.customer.c_custkey (INT4)}
         => in schema: {(1) default.customer.c_custkey (INT4)}
+      SCAN(8) on eb_0000000000000_0000_000001
+        => out schema: {(1) default.orders.o_orderkey (INT4)}
+        => in schema: {(1) default.orders.o_orderkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Hash.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Hash.plan
index 0c6e74c..68050ca 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Hash.plan
@@ -23,23 +23,52 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000005)
 |-eb_0000000000000_0000_000005
    |-eb_0000000000000_0000_000004
       |-eb_0000000000000_0000_000003
+         |-eb_0000000000000_0000_000002
+         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000005
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) on default.customer
+  => target list: default.customer.c_custkey (INT4)
+  => out schema: {(1) default.customer.c_custkey (INT4)}
+  => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+
+SCAN(1) on default.orders
+  => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+  => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
 
 SORT(10)
   => Sort Keys: default.customer.c_custkey (INT4) (asc, nulls last),default.orders.o_orderkey (INT4) (asc, nulls last)
@@ -48,14 +77,12 @@ SORT(10)
      => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
      => out schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
      => in schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-      SCAN(1) on default.orders
-        => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+      SCAN(9) on eb_0000000000000_0000_000002
         => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-        => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
-      SCAN(0) on default.customer
-        => target list: default.customer.c_custkey (INT4)
+        => in schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+      SCAN(8) on eb_0000000000000_0000_000001
         => out schema: {(1) default.customer.c_custkey (INT4)}
-        => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
+        => in schema: {(1) default.customer.c_custkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Sort.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Sort.plan
index 0c6e74c..68050ca 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Sort.plan
@@ -23,23 +23,52 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000005)
 |-eb_0000000000000_0000_000005
    |-eb_0000000000000_0000_000004
       |-eb_0000000000000_0000_000003
+         |-eb_0000000000000_0000_000002
+         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000005
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) on default.customer
+  => target list: default.customer.c_custkey (INT4)
+  => out schema: {(1) default.customer.c_custkey (INT4)}
+  => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+
+SCAN(1) on default.orders
+  => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+  => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
 
 SORT(10)
   => Sort Keys: default.customer.c_custkey (INT4) (asc, nulls last),default.orders.o_orderkey (INT4) (asc, nulls last)
@@ -48,14 +77,12 @@ SORT(10)
      => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
      => out schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
      => in schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-      SCAN(1) on default.orders
-        => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+      SCAN(9) on eb_0000000000000_0000_000002
         => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-        => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
-      SCAN(0) on default.customer
-        => target list: default.customer.c_custkey (INT4)
+        => in schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+      SCAN(8) on eb_0000000000000_0000_000001
         => out schema: {(1) default.customer.c_custkey (INT4)}
-        => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
+        => in schema: {(1) default.customer.c_custkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]